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choli [55]
3 years ago
7

Could someone factor this and explain how they did it? 0= x squared -x -6

Mathematics
1 answer:
iris [78.8K]3 years ago
6 0

Answer:

full answer below

Step-by-step explanation:

x^2 - x - 6 = 0

<=> x^2 - 3x + 2x - 6 = 0

<=> x(x-3) + 2(x-3) = 0

<=> (x-3)(x+2) = 0

<=> x= 3 or x = 2

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The average of three different positive integers is 8. What is the largest integer that could be one of them?
galina1969 [7]

Answer:22

Step-by-step explanation: the smallest the other two can be is 1 so you have to multiply 8 with 3, that equals 24, then you have to subtract 2         (1+1) and that gives you 22.

4 0
3 years ago
Amanda is cooking a cake.the recipe calls for 6 cups sugar.she accidentally put in cups.how many extra cups did she put in?
GenaCL600 [577]
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3 years ago
Read 2 more answers
Find the missing angle 121
navik [9.2K]

Answer/Step-by-step explanation:

Given:

m<12 = 121°

m<6 = 75°

a. m<1 = m<6 (vertical angles)

m<1 = 75° (substitution)

b. m<12 = m<1 + m2 (alternate exterior angles)

121° = 75° + m<2 (substitution)

121° - 75° = m<2 (subtraction property of equality)

46° = m<2

m<2 = 46°

c. m<1 + m<2 + m<3 = 180° (angles on a straight line)

75° + 46° + m<3 = 180° (substitution)

121° + m<3 = 180°

m<3 = 180° - 121° (subtraction property of equality)

m<3 = 59°

d. m<4 = m<3 (vertical angles)

m<4 = 59° (substitution)

e. m<5 + m<4 + m<6 = 180° (angles on a straight line)

m<5 + 59° + 75° = 180° (substitution)

m<5 + 134° = 180°

m<5 = 180° - 134° (Subtraction property of equality)

m<5 = 46°

f. m<7 = m<12 (vertical angles)

m<7 = 121° (substitution)

g. m<8 = m<4 (vertical angles)

m<8 = 59° (substitution)

h. m<9 = m<6 (Alternate Interior Angles)

m<9 = 75° (substitution)

i. m<10 + m<9 = 180° (Linear Pair)

m<10 + 75° = 180° (substitution)

m<10 = 180° - 75° (Subtraction property of equality)

m<10 = 105°

j. m<11 = m<8 (vertical angles)

m<11 = 59° (substitution)

k. m<13 = m<10 (vertical angles)

m<13 = 105° (substitution)

l. m<14 = m<9 (vertical angles)

m<14 = 75° (substitution)

5 0
3 years ago
Find the distance between the points (-7, -10) and (-5,-1)
jek_recluse [69]

Answer:

d=√(x2-x1)² + (y2-y1)²

Step-by-step explanation:

ans is √85 unit

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3 years ago
What is 40% of 24 hours
V125BC [204]
40% of 24 is 9.6 so that means it's 9.6 hours or 9 hours and 36 minutes.
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3 years ago
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